21719448

素因数分解:

$2^3\times 3^3\times {\mathrm{193}}^1\times {\mathrm{521}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 60760800

約数和(自身を除く): 39041352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 193, 216, 386, 521, 579, 772, 1042, 1158, 1544, 1563, 1737, 2084, 2316, 3126, 3474, 4168, 4632, 4689, 5211, 6252, 6948, 9378, 10422, 12504, 13896, 14067, 18756, 20844, 28134, 37512, 41688, 56268, 100553, 112536, 201106, 301659, 402212, 603318, 804424, 904977, 1206636, 1809954, 2413272, 2714931, 3619908, 5429862, 7239816, 10859724, 21719448]

約数ペア:

[(1, 21719448), (2, 10859724), (3, 7239816), (4, 5429862), (6, 3619908), (8, 2714931), (9, 2413272), (12, 1809954), (18, 1206636), (24, 904977), (27, 804424), (36, 603318), (54, 402212), (72, 301659), (108, 201106), (193, 112536), (216, 100553), (386, 56268), (521, 41688), (579, 37512), (772, 28134), (1042, 20844), (1158, 18756), (1544, 14067), (1563, 13896), (1737, 12504), (2084, 10422), (2316, 9378), (3126, 6948), (3474, 6252), (4168, 5211), (4632, 4689)]